0
votes
0answers
17 views

Gravity versus light [duplicate]

I've read this problem somewhere but don't remember where I saw it, but anyways... So Earth revolves around the sun, and let's hypothetically remove the sun (make it disappear) would Earth just ...
1
vote
2answers
50 views

Solar Catastrophe [duplicate]

Consider all of sudden the sun vanishes. What would happen to planetary motion. Will it continue to move in elliptical path or move in a tangential to the orbit immediately after sun vanishes or move ...
36
votes
7answers
3k views

The speed of gravity?

Sorry for the layman question, but it's not my field. Suppose this thought experiment is performed. Light takes 8 minutes to go from the surface of the Sun to Earth. Imagine the Sun is suddenly ...